#1C4190#1C4190

#1C4190 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.138 H 262.9°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#1C4190
RGB	rgb(28, 65, 144)
HSL	hsl(221, 67%, 34%)
HSV	hsv(221, 81%, 56%)
CMYK	cmyk(80.6%, 54.9%, 0%, 43.5%)
CIE-LAB	lab(29.51, 17.34, -47.42)
CIE-LCH	lch(29.51, 50.49, 290.08°)
OKLab	oklab(39.84% -0.0171 -0.1367)
OKLCH	oklch(39.84% 0.138 262.9)
XYZ	xyz(7.4014, 6.0402, 27.1559)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4190 #906B1C

analogous

#1C7B90 #1C4190 #311C90

triadic

#1C4190 #901C41 #41901C

tetradic

#1C4190 #901C7B #906B1C #1C9031

square

#1C4190 #901C7B #906B1C #1C9031

split-complementary

#1C4190 #90311C #7B901C

monochromatic

#08132A #122A5D #1C4190 #2658C3 #4A79DC

Accessibility & contrast

On white

9.51

#1C4190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1C4190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4190

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4190	#FFFFFF	#000000	##FFFFFF
##1C4190	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014B93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4190;
/* rgb */ color: rgb(28, 65, 144);
/* oklch */ color: oklch(39.8% 0.138 262.9);

Tailwind

colors: {
  custom: {
    50: '#6c75b1',
    500: '#1c4190',
    950: '#000000',
  },
}

SCSS

$custom: #1c4190;
$custom-light: #6c75b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4190",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 144
  },
  "hsl": {
    "h": 220.862,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39842,
    "c": 0.13778,
    "h": 262.9
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#1C4190

secondary

#BE994A

accent

#B33DEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4190

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →